Arroyo Seco Junior High (Data source)
Source data for Arroyo Seco Junior High
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 1157302 | 2549 | - | 2567 | = | -18 | * | (628 | / | 1220) | = | -9.26557376 | ||
| 8 | 1157303 | 2579 | - | 2586 | = | -7 | * | (592 | / | 1220) | = | -3.39672131 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Arroyo Seco Junior High | -13 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 36000 | 2569 | - | 2567 | = | 2 | * | (577 | / | 1193) | = | 0.9673093 | ||
| 8 | 36002 | 2595 | - | 2586 | = | 9 | * | (616 | / | 1193) | = | 4.64710812 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Arroyo Seco Junior High | 6 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 36715 | 2571 | - | 2567 | = | 4 | * | (636 | / | 1216) | = | 2.09210526 | ||
| 8 | 36718 | 2611 | - | 2586 | = | 25 | * | (580 | / | 1216) | = | 11.9243421 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Arroyo Seco Junior High | 14 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 36681 | 2566 | - | 2567 | = | -1 | * | (633 | / | 1270) | = | -0.4984252 | ||
| 8 | 36683 | 2592 | - | 2586 | = | 6 | * | (637 | / | 1270) | = | 3.00944882 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Arroyo Seco Junior High | 3 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 36845 | 2570 | - | 2567 | = | 3 | * | (648 | / | 1275) | = | 1.52470588 | ||
| 8 | 36846 | 2596 | - | 2586 | = | 10 | * | (627 | / | 1275) | = | 4.91764705 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Arroyo Seco Junior High | 6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -13 | 6 | 14 | 3 | 6 | 16.0 | 3.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 30.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -23.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 16% | 13% | 8% | 17% | 19% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
William S. Hart Union High school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Arroyo Seco Junior High math proficiency
Zero+ meets standard.
12% less $meal
9% less $meal
6% less $meal
15% less $meal
16% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in William S. Hart Union High (4)
| Arroyo Seco Junior High | La Mesa Junior High | Placerita Junior High |
| Sierra Vista Junior High |